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Accuracy of past hurricane counts good

A statistical model based on climate factors indicates that the estimated undercount of historic tropical storms in the Atlantic is only slightly below actual numbers. The researchers found that the average undercount bias from 1870 to 1944 was approximately one tropical storm per year.

SourcePenn State·JournalGeophysical Research Letters·DateNov 26, 2007

Penn State leads DOE consortium on hydrogen energy research

Researchers at Penn State are investigating thermochemical hydrogen production using advanced nuclear energy systems to reduce greenhouse gas emissions and increase energy independence. The three-year, $2.4 million program aims to develop efficient technologies for hydrogen production compatible with nuclear-generated heat sources.

Researchers push transmission rate of copper cables

Researchers at Penn State successfully transmitted data at a rate of 100 gigabits per second over 100 meters using Category-7 copper cables. This breakthrough offers a less expensive and easier-to-build solution for high-speed data transfer, paving the way for future advancements in chip circuitry.

Clean, carbon-neutral hydrogen on the horizon

Researchers at Penn State have developed a method to convert cellulose and other biodegradable organic materials into hydrogen using microbial fuel cells. This process produces 288% more energy in hydrogen than the electrical energy added to it, making it a promising alternative to traditional methods.

SourcePenn State·JournalProceedings of the National Academy of Sciences·DateNov 12, 2007

Scientists enhance Mother Nature's carbon handling mechanism

Researchers developed a method to accelerate removal of carbon dioxide from the atmosphere and store it in oceans for centuries, mimicking nature's natural weathering process. This new technology may counteract acidification of oceans threatening coral reefs and provide a feasible solution for reducing global warming.

SourcePenn State·JournalEnvironmental Science & Technology·DateNov 7, 2007

Flying lemurs are the closest relatives of primates

A new study by Penn State University finds that colugos, also known as flying lemurs, are the closest living relatives of primates. The researchers used molecular and genomic data to analyze the evolutionary relationships among three groups: primates, colugos, and tree shrews.

SourcePenn State·JournalScience·DateNov 1, 2007

Why do so many species live in tropical forests and coral reefs?

A recent study published in Nature finds good agreement between species richness of tropical forests and coral reefs and a simple mathematical model based on the neutral theory of biodiversity. The researchers argue that interactions between species can be largely ignored, contradicting previous claims from other scientific teams.

SourcePenn State·JournalNature·DateOct 31, 2007

Option-loaded CEOs swing for fences, but strike out more often

A study by Penn State professors finds that CEOs with stock option-heavy compensation packages lead companies to extreme performance, with more big losses than big gains. High levels of CEO stock options coupled with high investment spending produce a 'combustible combination' resulting in very extreme outcomes.

SourcePenn State·JournalAcademy of Management Journal·DateOct 15, 2007

Study examines parent-child interactions in at-risk families

A five-year study will investigate patterns of interaction between parents and preschool children to better understand the effects of child maltreatment. The research seeks to identify relationship patterns underlying the severity and type of maltreatment, aiming to inform the development of more effective family therapies.

Kids still not drinking enough milk

A recent study found that only 2-3 year olds meet the recommended dairy intake for children. Most children consume more fat-rich dairy products like cheese, yogurt, and ice cream. To address this issue, experts suggest promoting low-fat dairy options and flavored milk products.

SourcePenn State·JournalThe Journal of Pediatrics·DateOct 4, 2007

Penn State, Chevron launch energy alliance

Penn State has launched a major research alliance with Chevron to develop advanced coal conversion and carbon dioxide management technologies. The partnership aims to promote energy innovation, train new generations of experts in energy, and educate the public about energy issues.

Hair untangles woolly mammoth puzzle

Researchers from Penn State University and Copenhagen discovered that hair shafts can preserve ancient DNA, allowing for the sequencing of entire mitochondrial genomes from 10 individual woolly mammoths. This breakthrough enables efficient analysis of genetic material from extinct species.

SourcePenn State·JournalScience·DateSep 27, 2007

Flu virus trots globe during off season

Biologists have found that the influenza A virus migrates globally and mixes with other viral strains during the summer off-season before returning to the Northern Hemisphere as a genetically different virus. The research suggests widespread viral traffic across the equator, contributing to new epidemics in both hemispheres.

SourcePenn State·JournalPLOS Pathogens·DateSep 20, 2007

Nutrition model stresses positive experience of eating

A new eating model, ecSatter, suggests that managing weight and staying healthy requires a positive experience of eating. The model, developed by Ellyn Satter and Barbara Lohse, emphasizes permission and discipline to cultivate effective eating attitudes and behavior.

SourcePenn State·JournalJournal of Nutrition Education and Behavior·DateSep 18, 2007

Eating competence may lower risk of heart disease

A study by Penn State found that individuals with higher eating competence have a lower risk of cardiovascular disease. The research suggests that training people in becoming eating competent may be an effective way to encourage healthy eating behaviors.

SourcePenn State·JournalJournal of Nutrition Education and Behavior·DateSep 18, 2007

Penn State supplies NASA to the Schools

Penn State has taken over NASA's Aerospace Education Services Program, shifting its focus from one-time school visits to university-based summer courses. The program aims to make science come alive in students and teachers across the nation, using innovative technologies like GeoWall.

Bee researchers close in on Colony Collapse Disorder

A team of researchers has found a strong correlation between Israeli Acute Paralysis Virus (IAPV) genetic material and Colony Collapse Disorder (CCD) in bees. The prevalence of IAPV, the timing of outbreaks, and geographical circumstances suggest that IAPV is a significant marker for CCD.

SourcePenn State·JournalScience·DateSep 6, 2007

Possible closest neutron star to Earth found

Astronomers have identified Calvera, a bright X-ray source in Ursa Minor, as a promising candidate for an isolated neutron star, potentially the closest known. The team used NASA's Swift satellite and other telescopes to pinpoint its position and confirm its characteristics.

Geologists search for prehistoric high

Researchers found that the northern portion of the Tibetan Plateau rose later than previously thought, revealing a complex timeline for the plateau's growth. This discovery can help climate models and understand ancient biological communities.

Coal-based fuels and products hit the refinery

Researchers at Penn State's Energy Institute have developed a process to produce jet fuel, gasoline, diesel fuel, and heating oil from coal using existing refineries. The process produces various hydrocarbon products, including fuel oil, gasoline, and diesel, which can be integrated into the refinery stream.

Coal and black liquor can produce energy from papermaking

A team of Penn State engineers discovered that combining coal with papermaking black liquor waste creates a synthesis gas that can be converted into DME, a clean-burning fuel. This process reduces the carbon footprint of traditional coal-to-liquid processes and offers a more efficient alternative to burning black liquor for heat.

Two bacteria better than one in cellulose-fed fuel cell

A team of Penn State researchers successfully created a microbial fuel cell that consumes cellulose and produces electricity by pairing two types of bacteria. The fuel cell achieves a maximum power density of 150 milliwatts per square meter, which is lower than current designs but shows promise for future improvements.

SourcePenn State·JournalEnvironmental Science & Technology·DateJul 27, 2007

Researchers create search engine to hunt molecules online

ChemxSeer is a search engine designed specifically for chemical formulae, allowing scientists to find relevant research on CH4 or methane without filtering out results about Channel 4. The tool identifies related chemicals with different formula representations and substructures, providing more accurate search results.

Late nights may impact preteen behavior

A study by Elizabeth J. Susman found that kids who prefer evenings are more likely to exhibit antisocial behavior, rule-breaking, and attention problems. Earlier puberty is linked to more antisocial behavior in boys and relational aggression in girls.

SourcePenn State·JournalDevelopmental Psychology·DateJul 10, 2007

Penn State study suggests ways to improve US rail safety

A new Penn State study suggests ways to improve US rail safety by addressing inadequate security measures, improving coordination between agencies and leveraging the role of railroad police. The report recommends comprehensive legislation, increased funding for security efforts and enhanced training for personnel.

What happened before the Big Bang?

Researchers using Loop Quantum Gravity theory find a contracting universe before the Big Bounce, with space-time geometry similar to today's. A new mathematical model allows for precise analytical solutions and reveals a 'cosmic forgetfulness' due to extreme quantum forces during the Big Bounce.

SourcePenn State·JournalNature Physics·DateJul 1, 2007

Branding matters -- even when searching

A study by Penn State found that branding matters when searching online, with participants favoring Yahoo! and Google over MSN Live Search and an in-house engine. The researchers believe emotional branding has an impact on the evaluation of search engine results, leading to a 15% higher score for Yahoo!.

Reconstructing the biology of extinct species: A new approach

A research team has discovered a fundamental adaptive mechanism linking an animal's locomotion to its sensory systems. The study found that the dimensions of the three semicircular canals in the inner ear are linked to the type of movement produced by an animal's limbs.

SourcePenn State·JournalProceedings of the National Academy of Sciences·DateJun 18, 2007

Calorie density key to losing weight

A year-long clinical trial shows that diets focusing on foods with low calorie density can lead to significant weight loss and improved hunger control. The study found that women who added water-rich foods to their diets lost more weight during the first six months compared to those following a reduced-fat diet.

Caribbean frogs started with a single, ancient voyage on a raft from South America

A study by Penn State researchers found that nearly all Caribbean land-breeding frog species, including coqui frogs, originated from a single ancient species that rafted on a sea voyage from South America. The discovery challenges previous theories of their arrival and reveals the surprising common ancestry of these species.

SourcePenn State·JournalProceedings of the National Academy of Sciences·DateJun 6, 2007

Marine sediment microbial fuel cells get a nutritional boost

Researchers at Penn State developed a novel approach to extend the life of marine microbial fuel cells by providing bacteria with chitin, found in crustacean shells. The addition increased power production and allowed for longer-term remote operation, making it suitable for ocean sediments.

SourcePenn State·JournalEnvironmental Science & Technology·DateJun 4, 2007

How to rip and tear a fluid

A team of researchers from Penn State created a viscoelastic mixture that exhibits fluid-like behavior at slow speeds, solid-like behavior at intermediate speeds, and heals itself after tearing. The study provides new insights into how materials switch between these states.

SourcePenn State·JournalPhysical Review Letters·DateJun 1, 2007